Key to Temnothorax schaumii species group workers

This worker key is based on: Mackay, W. P. 2000. A review of the New World ants of the subgenus Myrafant, (genus Leptothorax) (Hymenoptera: Formicidae). Sociobiology. 36:265-444.

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• Propodeal armature consisting of tiny spines or angles . . . . . Temnothorax schaumii

• Propodeal armature well developed with long, acute spines . . . . . 2

2

return to couplet #1

• Worker unknown; eye of female small, round diameter about equal in length to length from base of mandible to anterior edge of eye; propodeal spines long (length 0.15mm), diameter about equal along entire length; Washington, D. C. . . . . . Temnothorax minutissimus

• Eye of female large, oblong, diameter greater than length between base of mandible and anterior edge of eye; propodeal spines thick at bases, narrowed towards tip: distributed throughout eastern United States . . . . . 3

3

return to couplet #2

• Head with rugae or coarse striae, intrarugal spaces punctate . . . . . Temnothorax bradleyi

• Head with fine striae, surface between striae finely sculptured, and forming reticulations with striae . . . . . 4

4

(return to couplet #3

• Propodeal spines elongate, length greater that twice distance between bases . . . . . Temnothorax curvispinosus

• Propodeal spines shorter, length about equal to distance between bases . . . . . Temnothorax ambiguus